If you are trying to connect your charger with your iPhone 4 and it is not charging at all, odds are you need to have a new dock connector. Your dock connector can go wrong anytime either due to exposure to any liquid or humidity. If you are experiencing similar issue like this while you are trying to charge your iphone 4. Stop worrying, your dock connector might needs a replacement or repair depending upon the damage.
We can help you get your iPhone dock connector repaired within the stipulated time.